I cannot seem to get Images into a forum post, like this one.

I'm using "Enhanced Mode"

I've tried drag and drop, copy-paste - no good. I've tried the "Image" button above and I managed to paste the full path to an image on my hard drive - still did not work. Ive tried below, and in preview, the image comes up with a cross:-



Everyone else does it - there must be an easy way - what am I missing ?